All markers › Hormones
Free testosterone
The portion of testosterone your body can actually use. Calculated or dialysis methods are more reliable than 'direct' tests.
Dr. Sorrell's optimal rangeMen 134–230 pg/mL · Women 2.5–7.3 pg/mL (calculated or dialysis, not 'direct')From the Sorrell MD Lab Decoder. Optimal ranges are stricter than the "normal" range printed on a lab report.
Who includes it, and what it costs
| Provider | Included / price | Checked |
|---|---|---|
| Function Health | ✓ included | 2026-10-16 |
| Superpower | ✓ included | 2026-10-16 |
| Jinfiniti AgingSOS Cellular Essentials | — | — |
| Quest (questhealth.com) | — | — |
| Labcorp OnDemand | $159 Comprehensive Testosterone Test (total, free, SHBG, albumin; sale $119.25) | 2026-10-16 |
| Walk-In Lab | $99 Testosterone Free (Dialysis) and Total Testosterone | 2026-10-16 |
| Ulta Lab Tests | $54.95 Testosterone Free and Total Test | 2026-10-16 |
| Mito Health | $13.61 non-member price; member $9.72 | 2026-10-16 |
| Rythm Health | ✓ included | 2026-10-16 |
| SiPhox Health | — | — |
| Everlywell | — | — |
| LetsGetChecked | — | — |
Memberships (Function, Superpower) and Jinfiniti's panel cover many markers for one price. See the home page. Quest and Walk-In Lab add a physician fee of about $6 per order.